Keith May
27Patents
17h-index
33Co-inventors
81Inventor score
Filing activity: Sep 22, 1982 → Jan 30, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5602040A | Assays | Emerging Cross-Sectional Technologies | 331 | Expired |
| US5622871A | Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents | Emerging Cross-Sectional Technologies | 305 | Expired |
| US5656503A | Test device for detecting analytes in biological samples | Emerging Cross-Sectional Technologies | 265 | Expired |
| US6352862B1 | Analytical test device for imuno assays and methods of using same | Emerging Cross-Sectional Technologies | 194 | Expired |
| US6228660A | Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents | Emerging Cross-Sectional Technologies | 161 | Expired |
| US6187598A | Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents | Emerging Cross-Sectional Technologies | 148 | Expired |
| US5275785A | Test device for detecting an analyte in a liquid sample | Emerging Cross-Sectional Technologies | 128 | Expired |
| US6156271A | Assay devices | Emerging Cross-Sectional Technologies | 82 | Expired |
| US6818455B2 | Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents | Emerging Cross-Sectional Technologies | 72 | Expired |
| US7109042B2 | Assays | Emerging Cross-Sectional Technologies | 60 | Expired |
| US7044919B1 | Test methods, devices and test kits | Human Necessities | 45 | Expired |
| US5216754A | Determining the complexity of a page prior to a print attempt | Physics | 40 | Expired |
| US7039348B2 | Method for maintaining image on image and image on paper registration | Physics | 22 | Expired |
| US4490290A | Process for the recovery of immunoglobulins | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7238537B2 | Assays | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7407813B2 | Assays | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7384796B2 | Assays | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4659666A | Pure alkaline phosphatase, its preparation and use | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5535312A | Apparatus and method for managing memory in a printing system | Physics | 17 | Expired |
| US6167217A | Flexible xerographic process controls patch scheduler | Physics | 15 | Expired |
| US6403380B1 | Ovulation cycle monitoring methods | Physics | 14 | Expired |
| US6903758B1 | Method for maintaining image squareness and image on image registration | Electricity | 10 | Expired |
| US7629178B2 | Assays | Emerging Cross-Sectional Technologies | 8 | Active |
| US5375202A | Dispatching and scheduling memory operations in an electronic printing system | Electricity | 7 | Expired |
| US7530332B2 | Livestock restraining gate | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.